Home / 165,827.85-248,717.47-81,565.39

Finding the Fourth Proportional to 165,827.85, 248,717.47 and 81,565.39

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Solution

The fourth proportional to 165,827.85, 248,717.47 and 81,565.39 is: 122,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,827.85 : 248,717.47 = 81,565.39 : x
  2. Step 2: Convert to fraction form
    165,827.85/248,717.47 = 81,565.39/x
  3. Step 3: Cross multiply
    165,827.85x = 248,717.47 × 81,565.39
  4. Step 4: Simplify right side
    165,827.85x = 20,286,738,319.56
  5. Step 5: Solve for x
    x = 20,286,738,319.56/165,827.85
  6. Step 6: Final answer
    x = 122,336.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.